Semi-automatic folding and slitting device for battery
By designing a semi-automatic edge slitting device for battery integrating folding, cutting and hot pressing functions, the problem of material not being tightly attached, rebounding and appearance control during the forming process of lithium battery in the prior art is solved, and the soft-pack battery is realized High-efficiency molding and durability improvement.
Patent Information
- Application Number
- CN202323547105.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-12-02
AI Technical Summary
In the prior art, during the folding and forming process of lithium batteries, it is impossible to ensure that the material is completely close to the surface of the battery, which is prone to rebound, and it is difficult to control the appearance size and shape of the battery.
A semi-automatic edge slitting device of battery is designed, integrating edge slitting, edge cutting and hot pressing functions. Through the coordinated work of the clamping feeding mechanism, positioning mechanism, edge folding mechanism, edge cutting mechanism and hot pressing mechanism, it realizes the One-time molding of soft-pack battery.
The device can effectively control the appearance size and shape of the soft-pack battery, ensure that the material is close to the battery surface, avoid rebound, and improve the battery's durability and packaging efficiency.
Smart Images

Figure CN222483450U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery production, in particular to a semi-automatic folding and cutting device for batteries. Background Art
[0002] Lithium batteries can be divided into soft-pack lithium batteries, aluminum-shell lithium batteries and steel-shell lithium batteries according to the outer packaging materials. Among them, soft-pack lithium batteries are liquid lithium-ion batteries covered with a polymer shell. The soft packaging material used is an aluminum-plastic composite film, which makes soft-pack lithium batteries have the advantages of good safety performance, light weight, low internal resistance, and flexible design. During the manufacturing process, the folding operation of the soft-pack battery can make the shell more compact, thereby more effectively utilizing space and improving packaging efficiency. At the same time, it increases the stability of the shell to prevent the battery cell from being damaged. It can also effectively help disperse the pressure on the battery cell, provide additional protection for the battery cell, and improve the durability of the soft-pack battery.
[0003] Traditionally, lithium batteries are generally folded and formed manually using a clamp. The prior art with patent number CN103985907B discloses a lithium battery double folding mechanism, which can realize automatic double folding of lithium batteries through roller forming methods of a first group of roller forming devices, a second group of roller forming devices, a third group of roller forming devices and a fourth group of roller forming devices. However, after the folding is completed, it cannot be guaranteed that the material is completely close to the surface of the battery, and rebound is prone to occur, and the appearance size and shape of the battery cannot be well controlled. Summary of the invention
[0004] The utility model aims to solve at least one of the above-mentioned technical problems and provides a semi-automatic folding and cutting device for batteries, which integrates folding, cutting and hot pressing functions into one, and can form soft-pack batteries in one step.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A semi-automatic folding and cutting device for batteries includes a base with a feeding channel provided thereon; a clamping and feeding mechanism, whose output end can reciprocate on the feeding channel; a positioning mechanism, which is installed on both sides of the feeding channel and is used to align the battery cells clamped by the clamping and feeding mechanism; a folding mechanism, which is installed on both sides of the feeding channel and is located behind the positioning mechanism, and is used to fold the battery cells clamped by the clamping and feeding mechanism; a trimming mechanism, which is installed on both sides of the feeding channel and is located behind the folding mechanism, and is used to trim the battery cells clamped by the clamping and feeding mechanism; and a hot pressing mechanism, which is installed on both sides of the feeding channel and is located behind the trimming mechanism, and is used to hot press the battery cells clamped by the clamping and feeding mechanism. As an improvement of the above technical solution, the positioning mechanism includes a push plate, which is installed on the base at the positions on both sides of the feeding mechanism, and the inner side can be abutted against the side corresponding to the positioning fixture.
[0007] As an improvement of the above technical solution, the positioning mechanism includes a push plate, and the push block is installed on the base at positions on both sides of the feeding mechanism. The base is provided with a first telescopic cylinder with an output end connected to the outer side of the push block, and the first telescopic cylinder can drive the push block to move to align the battery cell clamped on the feeding mechanism.
[0008] As an improvement of the above technical solution, the folding mechanism includes a folding wheel group and a first mounting seat. The first mounting seat is provided with two groups and is respectively installed on the positions of the base on both sides of the feeding mechanism. The folding wheel group is provided with two groups and is respectively movably installed on the inward side of the two groups of the first mounting seats. The two groups of folding wheel groups can perform roller folding on the corresponding two sides of the battery cell clamped on the clamping feeding mechanism.
[0009] As an improvement of the above technical solution, the folding mechanism also includes a fixed seat, a push rod is movably inserted on the first mounting seat, the folding wheel group is installed on the inward end of the push rod and can be abutted against the side corresponding to the positioning fixture, the fixed seat is installed on both sides of the base, and the outward end of the push rod is connected to the fixed seat through a reset spring.
[0010] As an improvement of the above technical solution, the trimming mechanism includes a trimming wheel group and a second mounting seat, the second mounting seat is installed on the position of the base on both sides of the feeding mechanism, and the trimming wheel group is installed on the inner side of the second mounting seat. The trimming wheel group can cut the two side edges of the battery cell clamped on the clamping feeding mechanism after the folding is completed.
[0011] As an improvement of the above technical solution, the hot pressing mechanism includes a hot pressing plate and a second telescopic cylinder. The hot pressing plate is movably mounted on the base at positions on both sides of the feeding mechanism. The second telescopic cylinder is mounted on the base and the output end is connected to the hot pressing plate. The second telescopic cylinder can drive the hot pressing plate to move to hot press the battery cell clamped on the clamping feeding mechanism.
[0012] As an improvement of the above technical solution, the clamping and feeding mechanism includes a feeding assembly and a positioning fixture, the positioning fixture is installed on the feeding assembly, the feeding assembly is arranged in the feeding channel and can drive the positioning fixture to reciprocate on the feeding channel.
[0013] As an improvement of the above technical solution, the feeding assembly includes a frame, which is arranged in the conveying channel, and has rotating shafts on both ends of the frame. A motor with an output end connected to one group of the rotating shafts is provided at one end of the frame, and a conveyor belt is movably arranged between the two groups of the rotating shafts, and the positioning fixture is installed on the conveyor belt.
[0014] As an improvement of the above technical solution, the positioning fixture includes a lower clamping plate and an upper clamping plate, the lower clamping plate is installed on the conveyor belt, a bracket is provided on the lower clamping plate, a support plate is provided on the upper end of the bracket, a guide rod that can move to the lower clamping plate is movably inserted on the support plate, the upper clamping plate is installed on the lower end of the guide rod, a lifting cylinder is provided on the support plate, and the output end of the lifting cylinder is connected to the upper clamping plate.
[0015] Compared with the prior art, the beneficial effects of this application are:
[0016] The utility model discloses a semi-automatic folding and cutting device for batteries. The battery to be folded is manually fixed on a clamping and feeding mechanism, and the battery can be conveyed into a feeding channel by the clamping and feeding mechanism. The battery will first be adjusted to a correct position by a positioning mechanism, and then folded by the folding mechanism. After the folding is completed, the excess packaging material will be cut off by the trimming mechanism. Finally, the battery will be subjected to a hot pressing forming process by an openable and closable hot pressing mechanism, and the battery can be removed by the clamping and feeding mechanism, so that the outer shell covering operation of the soft-pack battery is formed in one step, and the appearance size and shape of the battery can be better controlled. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:
[0018] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;
[0019] Figure 2 A top view of an embodiment of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the feeding mechanism and the positioning fixture in the embodiment of the utility model;
[0021] Figure 4 It is a partial structural schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is referred to as being "set in the middle", it does not only mean being set in the middle, as long as it is not set at both ends within the range defined by the middle. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0025] like Figures 1 to 4As shown, the utility model provides a semi-automatic folding and cutting device for batteries, including a base 10, on which a feeding channel 11 is opened; a clamping and feeding mechanism, whose output end can reciprocate on the feeding channel 11; an adjusting mechanism 40, which is installed on both sides of the feeding channel 11, and is used to align the battery cells clamped by the clamping and feeding mechanism; a folding mechanism 50, which is installed on both sides of the feeding channel 11 and is located behind the adjusting mechanism 40, and is used to fold the battery cells clamped by the clamping and feeding mechanism; a trimming mechanism 60, which is installed on both sides of the feeding channel 11 and is located behind the folding mechanism 50, and is used to trim the battery cells clamped by the clamping and feeding mechanism; a hot pressing mechanism 70, which is installed on both sides of the feeding channel 11 and is located behind the trimming mechanism 60, and is used to hot press the battery cells clamped by the clamping and feeding mechanism. The device is a part of a battery production line, and the base 10 can be arranged on an operating platform of the production line, and an operating station is arranged on one side of the operating platform.
[0026] See also Figure 3 In a specific embodiment of the present application, the clamping feeding mechanism includes a feeding assembly 20 and a positioning fixture 30, the positioning fixture 30 is installed on the feeding assembly 20, the feeding assembly 20 is arranged in the feeding channel 11 and can drive the positioning fixture 30 to reciprocate on the feeding channel 11. Specifically, the feeding assembly 20 includes a frame 21, the frame 21 is arranged in the conveying channel 11, a rotating shaft 22 is provided at both ends of the frame 21, a motor 23 whose output end is connected to one group of the rotating shafts 22 is provided at one end of the frame 21, a conveyor belt 24 is movably arranged between the two groups of the rotating shafts 22, and the positioning fixture 30 is installed on the conveyor belt 21. The motor 23 can drive one group of the rotating shafts 22 to rotate through a synchronous belt; the positioning fixture 30 is transported to the conveying channel 11 through the conveyor belt 21, so that the batteries on the positioning fixture 30 can pass through the positioning mechanism 40, the folding mechanism 50, the trimming mechanism 60 and the hot pressing mechanism 70 in sequence to complete a treatment. After the treatment is completed, the batteries can be transported to the outside of the conveying channel 11 through the conveyor belt 21, so as to remove the finished products and place new batteries to be processed.
[0027] Specifically, the positioning fixture 30 includes a lower clamping plate 31 and an upper clamping plate 32, wherein the lower clamping plate 31 is mounted on the conveyor belt 24, a bracket 33 is provided on the lower clamping plate 31, a support plate 34 is provided on the upper end of the bracket 33, a guide rod 35 that can move toward the lower clamping plate 31 is movably inserted on the support plate 34, and the upper clamping plate 32 is mounted on the lower end of the guide rod 35, and a lifting cylinder 36 is provided on the support plate 34, and the output end of the lifting cylinder 36 is connected to the upper clamping plate 32. That is, the battery to be processed can be fixed between the lower clamping plate 31 and the upper clamping plate 32.
[0028] See also Figure 4 In the specific implementation of the present application, since the position of the manually placed battery may be offset, a positioning mechanism 40 is provided. The positioning mechanism 40 includes a push plate 41, and the push block 41 is installed on the base 10 at the positions on both sides of the feeding mechanism 20. The base 10 is provided with a first telescopic cylinder 42 whose output end is connected to the outside of the push block 41. The first telescopic cylinder 42 can drive the push block 41 to move to align the battery cell clamped on the clamping feeding mechanism. That is, the push plate 41 can push both sides of the battery to align the battery.
[0029] In a specific embodiment of the present application, the folding mechanism 50 includes a folding wheel set 51 and a first mounting seat 52. The first mounting seat 52 is provided with two groups and is respectively mounted on the base 10 at the positions on both sides of the feeding mechanism 20. The folding wheel set 51 is provided with two groups and is respectively movably mounted on the inner side of the two groups of the first mounting seats 52. The two groups of folding wheel sets 51 can roll and fold the corresponding two sides of the battery cells clamped on the clamping feeding mechanism. Further, in order to adapt to batteries of different sizes, the folding mechanism 50 also includes a fixed seat 53. A push rod 54 is movably inserted on the first mounting seat 52. The folding wheel set 51 is installed on the inner end of the push rod 54 and can be abutted against the corresponding side of the positioning fixture 30. The fixed seat 53 is installed on both sides of the base 10. The outer end of the push rod 54 is connected to the fixed seat 53 through a reset spring 55. Among them, the folding wheel group 51 is a prior art, and reference can be made to a lithium battery double folding mechanism disclosed in the prior art with patent number CN103985907B.
[0030] In a specific embodiment of the present application, the trimming mechanism 60 includes a trimming wheel set 61 and a second mounting seat 62. The second mounting seat 62 is mounted on the base 10 at the positions on both sides of the feeding mechanism 20. The trimming wheel set 61 is mounted on the inner side of the second mounting seat 62. The trimming wheel set 61 can cut the two sides of the battery cell clamped on the clamping feeding mechanism after the folding is completed. The trimming wheel set 61 is a prior art, and reference can be made to the trimming device in the automatic trimming, folding and ironing machine disclosed in Patent No. CN203760504U.
[0031] In a specific embodiment of the present application, the hot pressing mechanism 70 includes a hot pressing plate 71 and a second telescopic cylinder 72. The hot pressing plate 71 is movably mounted on the base 10 at positions on both sides of the feeding mechanism 20. The second telescopic cylinder 72 is mounted on the base 10 and the output end is connected to the hot pressing plate 71. The second telescopic cylinder 72 can drive the hot pressing plate 71 to move to hot press the battery cell clamped on the clamping feeding mechanism. A heating rod can be set inside the hot pressing plate 71 for heating. The hot pressing plates 71 on both sides can be controlled to open and close by the second telescopic cylinder 72 to gradually fit the two sides of the battery for hot pressing.
[0032] The utility model discloses a semi-automatic folding and cutting device for batteries. The utility model discloses a semi-automatic folding and cutting device for batteries. The batteries to be folded are manually fixed on a clamping and feeding mechanism, and the batteries can be transported into a feeding channel 11 through the clamping and feeding mechanism. The batteries will first be adjusted to a correct position by a positioning mechanism 40, and then folded by a folding mechanism 50. After the folding is completed, the excess packaging material will be cut off by a trimming mechanism 60. Finally, the batteries will be subjected to a hot pressing forming process by an openable and closable hot pressing mechanism 70, and the batteries can be removed by the clamping and feeding mechanism, so that the outer shell covering operation of the soft-pack battery is formed in one step, and the appearance size and shape of the batteries can be better controlled.
[0033] The above embodiments are only used to illustrate the technical solution of the utility model but not to limit it. Any modification or equivalent substitution that does not deviate from the spirit and scope of the utility model shall be included in the scope of the technical solution of the utility model.
Claims
1. A semi-automatic battery folding and cutting device, characterized in that: include A base, on which a feeding channel is provided; A clamping feeding mechanism, the output end of which can reciprocate on the feeding channel; A positioning mechanism, which is installed on both sides of the feeding channel and is used to align the battery cells clamped by the clamping feeding mechanism; A folding mechanism, which is installed on both sides of the feeding channel and is located behind the positioning mechanism, and is used to fold the battery cell clamped by the clamping feeding mechanism; A trimming mechanism, which is installed on both sides of the feeding channel and is located behind the folding mechanism, and is used to trim the battery cells clamped by the clamping feeding mechanism; The hot pressing mechanism is installed on both sides of the feeding channel and is located behind the trimming mechanism, and is used for hot pressing the battery cells clamped by the clamping feeding mechanism.
2. A battery semi-automatic folding and cutting device according to claim 1, characterized in that: The positioning mechanism includes a pushing block, which is installed on the base at positions on both sides of the feeding mechanism. The base is provided with a first telescopic cylinder whose output end is connected to the outer side of the pushing block. The first telescopic cylinder can drive the pushing block to move to align the battery cell clamped on the clamping feeding mechanism.
3. A semi-automatic battery folding and cutting device according to claim 1, characterized in that: The folding mechanism includes a folding wheel group and a first mounting seat. The first mounting seat is provided with two groups and is respectively installed on the positions of the base located on both sides of the feeding mechanism. The folding wheel group is provided with two groups and is respectively movably installed on the inner side of the two groups of the first mounting seats. The two groups of folding wheel groups can perform roller folding on the corresponding two sides of the battery cell clamped on the clamping feeding mechanism.
4. A semi-automatic battery folding and cutting device according to claim 3, characterized in that: The folding mechanism also includes a fixed seat, a push rod is movably inserted on the first mounting seat, the folding wheel group is installed on the inward end of the push rod and can be abutted against the side corresponding to the positioning fixture, the fixed seat is installed on both sides of the base, and the outward end of the push rod is connected to the fixed seat through a reset spring.
5. A semi-automatic battery folding and cutting device according to claim 1, characterized in that: The trimming mechanism includes a trimming wheel group and a second mounting seat, wherein the second mounting seat is mounted on a position of the base located on both sides of the feeding mechanism, and the trimming wheel group is mounted on the inner side of the second mounting seat. The trimming wheel group can cut the two side edges corresponding to the battery cell clamped on the clamping feeding mechanism after the folding is completed.
6. A semi-automatic battery folding and cutting device according to claim 1, characterized in that: The hot pressing mechanism includes a hot pressing plate and a second telescopic cylinder. The hot pressing plate is movably mounted on a base at positions on both sides of the feeding mechanism. The second telescopic cylinder is mounted on the base and an output end is connected to the hot pressing plate. The second telescopic cylinder can drive the hot pressing plate to move to hot press the battery cell clamped on the clamping feeding mechanism.
7. A semi-automatic battery folding and cutting device according to claim 1, characterized in that: The clamping and feeding mechanism comprises a feeding assembly and a positioning fixture, wherein the positioning fixture is installed on the feeding assembly, and the feeding assembly is arranged in the feeding channel and can drive the positioning fixture to reciprocate on the feeding channel.
8. A semi-automatic battery folding and cutting device according to claim 7, characterized in that: The feeding assembly includes a frame, which is arranged in the conveying channel. Rotating shafts are provided at both ends of the frame. A motor with an output end connected to one group of the rotating shafts is provided at one end of the frame. A conveyor belt is movably arranged between the two groups of the rotating shafts, and the positioning fixture is installed on the conveyor belt.
9. A semi-automatic battery folding and cutting device according to claim 8, characterized in that: The positioning fixture includes a lower clamping plate and an upper clamping plate, the lower clamping plate is installed on the conveyor belt, a bracket is provided on the lower clamping plate, a support plate is provided on the upper end of the bracket, a guide rod that can move toward the lower clamping plate is movably inserted on the support plate, the upper clamping plate is installed on the lower end of the guide rod, a lifting cylinder is provided on the support plate, and the output end of the lifting cylinder is connected to the upper clamping plate.
Citation Information
Patent Citations
Lithium battery double folding mechanism
CN103985907B
Automatic edge cutting, folding and ironing machine
CN203760504U